WO1990014287A1 - Spout assembly and sealing cap with spring-loaded hinge - Google Patents

Spout assembly and sealing cap with spring-loaded hinge Download PDF

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Publication number
WO1990014287A1
WO1990014287A1 PCT/FR1990/000346 FR9000346W WO9014287A1 WO 1990014287 A1 WO1990014287 A1 WO 1990014287A1 FR 9000346 W FR9000346 W FR 9000346W WO 9014287 A1 WO9014287 A1 WO 9014287A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouring
pouring body
capsule
hinge
assembly
Prior art date
Application number
PCT/FR1990/000346
Other languages
French (fr)
Inventor
Bernard Guglielmini
Pierre Pellerano
Original Assignee
Rical S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rical S.A. filed Critical Rical S.A.
Priority to US07/777,240 priority Critical patent/US5301849A/en
Priority to JP1991600015U priority patent/JPH05500002U/ja
Priority to EP90908957A priority patent/EP0472655B1/en
Priority to DE69010003T priority patent/DE69010003T2/en
Publication of WO1990014287A1 publication Critical patent/WO1990014287A1/en
Priority to NO914499A priority patent/NO179939C/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others

Definitions

  • the present invention relates to a pouring assembly and closure cap made of plastic material comprising a pouring body intended to be fixed to a container and a sealing capsule intended to close the pouring body and connected to the pouring body by a spring hinge.
  • Such spring hinges are known, for example, from French patents 1 402 900 and 78 03 713.
  • the present invention relates to a pouring assembly and closure cap with spring hinge which, while being simple to manufacture, allows a tight attachment to a container neck, even when the neck has manufacturing defects.
  • the invention also has as its object and a pouring assembly and closure cap with spring hinge which, while being of simple manufacture, allows fixing by welding directly on the body of a flexible tube.
  • the pouring and capping capsule assembly comprises a pouring body intended to be fixed to a container and a capping capsule intended to close the pouring body and connected to the pouring body by a spring hinge.
  • the pouring body is made of flexible plastic material, by molding, and the capsule is made, with the hinge of a single spring piece, of hard plastic material, by overmolding of the pouring body.
  • the realization of the pouring body in a flexible plastic material allows, either to form on the pouring body sealing means (lips, skirts, etc.) sufficiently flexible so that they compensate for possible manufacturing defects of the container neck during fixing the pouring body by screwing or snapping onto the neck, or to provide for fixing the pouring body directly by welding to the body of a flexible tube.
  • the overmolding of the pouring body by the capsule can be located in the hinge area, in which case the pouring body advantageously has, in the hinge area, an edge with a male or female undercut profile ensuring a perfect connection with the material of the capsule and the hinge, during overmolding.
  • the overmolding of the pouring body by the capsule can be done around the entire periphery, thanks to the overmolding of the pouring body by a circumferential belt to which the capsule itself is connected by the spring hinge.
  • Figure 1 is a side view of a pouring assembly and closure cap according to the invention, the capsule being shown in the open position;
  • Figure 2 is a vertical section on a larger scale of the assembly of Figure 1, the capsule being closed;
  • Figure 3 is a side view similar to Figure 1 of another embodiment of an assembly according to the invention.
  • Figure 4 is a vertical section, on a larger scale, of the assembly of Figure 3;
  • Figure 5 is a vertical section of a pouring assembly and closure cap for direct fixing by welding to the body of a flexible tube.
  • the pouring and sealing cap assembly made of plastic according to FIGS. 1 and 2 comprises a pouring body 1 and a capsule plug 2 connected to the pouring body 1 by a spring hinge 3.
  • the pouring body 1 essentially comprises an internal skirt 4 intended to cooperate in leaktight manner with the internal face of the neck 5 of a bottle 6, and an external skirt 7 intended to cooperate with the external face neck 5, the two skirts 4 and 7 being interconnected at their upper part by an annular connection zone 8.
  • the internal skirt 4 is extended upwards beyond the connection zone 8 in the form of a spout 9.
  • a cover 10 connected by a thin veil 11 to the inner skirt 4 closes the latter, the cover 10 can be torn off using a pulling ring 12 during the first use.
  • the outer skirt 7 which has an inner bead 13 for fixing the pouring body 1 by snap-fastening on the neck 5 provided with an outer groove 14 is extended, at its lower end, by an outer rim 15 extending upwards under the shape of a divergent belt up to the contabt plane 16 between the pouring body 1 and the capsule 2, except in the area of the spring hinge 3.
  • the flange 15 ends, below the hinge 3, by an edge 17 has a profile in the shape of a tenon with undercut, for example in dovetail.
  • the entire pouring body as described above is made in one piece by injection molding of a flexible plastic material, for example polyethylene.
  • the closure cap 2 comprises an inner skirt 21 and an outer skirt 22 projecting downwards on a capsule bottom 23, the inner skirt 21 being intended to penetrate into the pouring spout 9 and the outer skirt 22 coming in the extension of the rim 15 of the pouring body 1.
  • the capsule 2 is injection molded in a hard plastic material such as polypropylene, in one piece with the spring hinge 3 and, between the latter and the edge 17 of the pouring body 1, with a connecting part 24 having a female profile in the form of an undercut mortise, for example in a dovetail.
  • the capsule 2 is made by overmolding the pouring body 1, that is to say the pouring body 1 is first manufactured by injection in a first mold, is then removed from this first mold and placed as an insert in a second mold in which the capsule 2, with the hinge 3 and the connecting part 24, is produced by overmolding of the pouring body 1 by the capsule 2 in the open position according to FIG. 1.
  • the overmolding is located at the zone of the hinge 3, that is to say that is to say limited to the molding of the edge 17 of the pouring body 1 by the connecting part 24 located below the hinge 3.
  • a pouring and capping capsule assembly comprises a pouring body 31, a belt 32, a capping capsule 33 and a spring hinge 34.
  • the pouring body 31 has an internal skirt 35 intended to cooperate with the internal face of a bottle neck not shown, an external skirt 36 intended to cooperate with the external face of the neck and having an internal bead 37 intended to cooperate by snap-fastening an outer groove of the neck, a cover 38 with tearing ring 39, and a pouring spout 40 projecting upwards on the connecting part 41 of the two skirts 35 and 36.
  • the connecting part 41 comprises an outer bead 42 projecting radially over the entire periphery.
  • the belt 32 comprises an outer part 44 in the form of a spherical crown, extending the hemispherical capsule 33 below the contact plane 45 between the belt 32 and the capsule 33, and an internal frustoconical part 46 extending from the lower end of the part 44 upwards and inwards, ending in an annular part 47 which surrounds from the outside, around the entire periphery, the bead 42 of the pouring body 31 and has a female profile complementary to the profile of the bead 42.
  • the pouring body is first molded by injection, in a first mold. 31 from a flexible plastic material such as polyethylene.
  • the pouring body 1 is then transferred into a second mold in which the pouring body 31 is molded using the belt 32 and the capsule 33, the latter in the open position according to FIG. 3, by injection.
  • a hard plastic such as polypropylene.
  • a pouring assembly and closure cap cap comprises a pouring body 51, a closure capsule 52 and a spring hinge 53.
  • the pouring body 51 is formed by a neck 54 extended upwards by a pouring spout 55 and downwards by a diverging collar 56 ending in a flange 57 for the connection of the pouring body 51 with a flexible tube 58.
  • the capsule 52 which has a shape appears to be that of the capsule according to FIGS. 1 and 2 comprises an inner j ue 59 cooperating with the spout 55, and an outer j ue 60.
  • the outer skirt 60 of the capsule 52 is extended downwards by a connecting portion 61 having a male profile with an undercut, for example in the shape of a dovetail tenon, the pouring body 51 having an edge 62 of complementary profile, by example in the form of a mortise with an undercut in the shape of a dovetail.
  • the pouring body 51 as a whole is first produced by injecting a flexible plastic material into a first mold, then is transferred to a second injection mold in which the pouring body 51 is overmolded by the capsule, by injection of a hard plastic material.
  • the pouring assembly and closure cap thus produced can then be directly welded by the collar 57 onto a flexible tube 58 made of flexible plastic, thanks to the compatibility of the materials of the pouring body 51 and of the tube 58.
  • Tamper-evident means other than the cover (10, 38) may be provided, for example tear-off means covering the recess provided, opposite the spring hinge, in the outer skirt of the capsule to facilitate opening of the capsule. These are means known per se which have not been illustrated so as not to complicate the drawings.
  • sealing means between the pouring body and the bottle neck could consist of one or more lips or other known means, forming an integral part of the pouring body, in addition to or instead of the inner skirt (4 , 35) cooperating with the inside face of the neck.
  • Another advantage of the structure according to the invention of a pouring assembly and closure cap consists in the possibility of producing a two-color assembly, the two different materials used in the manufacture of the assembly according to the invention being able to be of different colors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Cartons (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A spout assembly and sealing cap consisting of a spout element for fixing to a receptacle and a sealing cap for obturating the spout element and linked to the spout element by a spring-loaded hinge, characterized in that the spout element (1) is made, by moulding, of flexible plastic material, and that the cap (2) is made of hard plastic material and as a single piece with the hinge (3) by moulding the spout element from a casting.

Description

ENSEMBLE VERSEUR ET CAPSULE DE BOUCHAGE AVEC CHARNIERE A RESSORT. POURING ASSEMBLY AND CAPPING CAP WITH SPRING HINGE.
La présente invention se rapporte à un ensemble verseur et capsule de bouchage en matière p lastique comprenant un corp s verseur destiné à être f ixé a un récipient et une capsule de bouchage destinée à ob turer le corp s verseur et reliée au corp s verseur par une charnière à ressort. The present invention relates to a pouring assembly and closure cap made of plastic material comprising a pouring body intended to be fixed to a container and a sealing capsule intended to close the pouring body and connected to the pouring body by a spring hinge.
De tels ensembles verseurs et capsules de bouchage sont fabriqués jusqu ' à présent d ' une seule pièce par moulage en une matière plastique dure telle que le polypropylène. En ef fet, les charnières à ressort prévues sur de tels ensembles entre le corps verseur et la capsule de bouchage ne remplissent correctement leur fonction, qui est d ' assurer à la capsule deux positions stables par rapport au corps verseur, que lorsqu ' elles sont réalisées en une matière plastique dure.  Until now, such pouring assemblies and caps have been made in one piece by molding in a hard plastic material such as polypropylene. In fact, the spring hinges provided on such assemblies between the pouring body and the closure cap only properly fulfill their function, which is to ensure that the capsule has two stable positions relative to the pouring body, only when they are made of hard plastic.
De telles charnières à ressort sont connues par exemple par les brevets français n° 1 402 900 et 78 03 713.  Such spring hinges are known, for example, from French patents 1 402 900 and 78 03 713.
Sur les ensembles verseurs et capsules de bouchage connus réalisés d ' une seule pièce avec la charnière à ressort en une matière plastique dure, l ' étanchéité entre le corps verseur et le goulot du récipient doit être assurée par des moyens venus de moulage avec le corp s verseur, notamment par des lèvres et/ou j upes coopérant avec le goulot du récipient. Or, en raison de la rigidité de leur matière constitutive , ces moyens d ' étanchéité ne sont pas à même de compenser les défauts que peut présenter le gou lot , ce qui compromet l ' étanchéité. L' utilisation de j oints soup les rapportés sur le corps verseur qui permettraient de compenser de tels déf auts n' est pas toujours possible et augmenterait le prix de revient de l 'ensemble verseur et capsule. On known pouring assemblies and stopper capsules made in one piece with the spring hinge in a hard plastic material, the seal between the pouring body and the neck of the container must be ensured by means of molding with the body. s pourer, in particular by lips and / or j upes cooperating with the neck of the container. However, because of the rigidity of their constituent material, these sealing means are not able to compensate for the defects that the gou lot may present, which compromises the sealing. The use of anointed soups brought them on the body pourer which would compensate for such defaults is not always possible and would increase the cost price of the pourer and capsule assembly.
Un autre problème se pose pour les ensembles verseurs et capsules de bouchage prévus pour des tubes souples pour matières pâteuses, par exemple des tubes de dentifrice. A l 'heure actuelle , ces tubes sont réalisés de plus en plus en matière plastique souple , notamment en polyethylene, ou en un complexe comprenant un film extérieur de polyethylene. Dans ces conditions, un ensemble verseur et capsule- de bouchage réalisé d'une seule pièce en une matière plastique dure telle que le polypropylène pour permettre à la charnière à ressort prévue entre les deux pièces de remplir sa fonction, ne peut pas être soudé directement au tube souple, mais doit être vissé sur un embout à goulot fileté en matière plastique souple, notamment en polyethylene, soudé au corps proprement dit du tube souple. Or, il serait désirable de pouvoir réaliser des ensembles verseurs et capsules de bouchage avec charnière à ressort qui puissent ainsi être fixés par soudage directement sur le corps des tubes souples .  Another problem arises for the pouring assemblies and closure caps provided for flexible tubes for pasty materials, for example tubes of toothpaste. At present, these tubes are increasingly made of flexible plastic, in particular polyethylene, or a complex comprising an outer film of polyethylene. Under these conditions, a pouring and closure cap assembly made in one piece from a hard plastic material such as polypropylene to allow the spring hinge provided between the two pieces to fulfill its function, cannot be welded directly to the flexible tube, but must be screwed onto a threaded neck end piece of flexible plastic material, in particular polyethylene, welded to the actual body of the flexible tube. However, it would be desirable to be able to produce pouring assemblies and stopper capsules with spring hinge which can thus be fixed by welding directly on the body of the flexible tubes.
La présente invention a pour objet un ensemble verseur et capsule de bouchage avec charnière à ressort qui, tout en étant de fabrication simple , permet une f ixation étanche sur un goulot de récipient, même lorsque le goulot présente des défauts de fabrication. L' invention a également pour obj et un ensemble verseur et capsule de bouchage avec charnière à ressort qui, tout en étant d'une fabrication simple, permet une fixation par soudage directement sur le corps d'un tube souple.  The present invention relates to a pouring assembly and closure cap with spring hinge which, while being simple to manufacture, allows a tight attachment to a container neck, even when the neck has manufacturing defects. The invention also has as its object and a pouring assembly and closure cap with spring hinge which, while being of simple manufacture, allows fixing by welding directly on the body of a flexible tube.
L ' ensemble verseur et capsule de bouchage conforme à l' invention comprend un corps verseur destiné à être f ixé à un récipient et une capsule de bouchage destinée à obturer le corps verseur et reliée au corps verseur par une charnière à ressort. Suivant l ' invention, le corps verseur est réalisé en matière plastique souple , par moulage, et la capsule est réalisée, avec la charnière d' une seule pièce à ressort, en matière plastique dure , par surmoulage du corps verseur. La réalisation du corps verseur en une matière plastique souple permet, soit de former sur le corps verseur des moyens d'étanchéité (lèvres, jupes, etc.) suffisamment souples pour qu'ils compensent d'éventuels défauts de fabrication du goulot de récipient lors de la fixation du corps verseur par vissage ou encliquetage sur le goulot, soit de prévoir la fixation du corps verseur directement par soudage sur le corps d'un tube souple. The pouring and capping capsule assembly according to the invention comprises a pouring body intended to be fixed to a container and a capping capsule intended to close the pouring body and connected to the pouring body by a spring hinge. According to the invention, the pouring body is made of flexible plastic material, by molding, and the capsule is made, with the hinge of a single spring piece, of hard plastic material, by overmolding of the pouring body. The realization of the pouring body in a flexible plastic material allows, either to form on the pouring body sealing means (lips, skirts, etc.) sufficiently flexible so that they compensate for possible manufacturing defects of the container neck during fixing the pouring body by screwing or snapping onto the neck, or to provide for fixing the pouring body directly by welding to the body of a flexible tube.
Le surmoulage du corps verseur par la capsule peut être localisé dans la zone de la charnière, auquel cas le corps verseur présente avantageusement, dans la zone de la charnière, un bord avec un profil mâle ou femelle à contre-dépouille assurant une parfaite liaison avec la matière de la capsule et de la charnière, lors du surmoulage.  The overmolding of the pouring body by the capsule can be located in the hinge area, in which case the pouring body advantageously has, in the hinge area, an edge with a male or female undercut profile ensuring a perfect connection with the material of the capsule and the hinge, during overmolding.
Suivant un autre mode de réalisation, le surmoulage du corps verseur par la capsule peut se faire sur tout le pourtour, grâce au surmoulage du corps verseur par une ceinture circonf érentielle à laquelle la capsule proprement dite est reliée par la charnière à ressort.  According to another embodiment, the overmolding of the pouring body by the capsule can be done around the entire periphery, thanks to the overmolding of the pouring body by a circumferential belt to which the capsule itself is connected by the spring hinge.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description ci-après de plusieurs modes de réalisation illustratifs et non limitatifs de l'invention représentés sur les dessins annexés, sur lesquels :  Other characteristics and advantages of the invention will appear on reading the following description of several illustrative and non-limiting embodiments of the invention shown in the accompanying drawings, in which:
la figure 1 est une vue latérale d'un ensemble verseur et capsule de bouchage conforme à l'invention, la capsule étant représentée en position ouverte;  Figure 1 is a side view of a pouring assembly and closure cap according to the invention, the capsule being shown in the open position;
la figure 2 est une coupe verticale à plus grande échelle de l'ensemble de la figure 1, la capsule étant fermée;  Figure 2 is a vertical section on a larger scale of the assembly of Figure 1, the capsule being closed;
la figure 3 est une vue latérale analogue à la figure 1 d'un autre mode de réalisation d'un ensemble conforme à l'invention;  Figure 3 is a side view similar to Figure 1 of another embodiment of an assembly according to the invention;
la figure 4 est une coupe verticale, à plus grande échelle, de l'ensemble de la figure 3;  Figure 4 is a vertical section, on a larger scale, of the assembly of Figure 3;
la figure 5 est une coupe verticale d'un ensemble verseur et capsule de bouchage pour la fixation directe par soudage au corps d'un tube souple.  Figure 5 is a vertical section of a pouring assembly and closure cap for direct fixing by welding to the body of a flexible tube.
L'ensemble verseur et capsule de bouchage en matière plastique suivant les figures 1 et 2 comprend un corps verseur 1 et une capsule de bouchage 2 reliée au corps verseur 1 par une charnière à ressort 3. The pouring and sealing cap assembly made of plastic according to FIGS. 1 and 2 comprises a pouring body 1 and a capsule plug 2 connected to the pouring body 1 by a spring hinge 3.
Tel que cela apparaît sur la figure 2 , le corps verseur 1 comprend essentiellement une jupe intérieure 4 destinée à coopérer de façon étanche avec la face intérieure du goulot 5 d 'un flacon 6 , et une jupe extérieure 7 destinée à coopérer avec la face extérieure du goulot 5 , les deux jupes 4 et 7 étant reliées entre elles à leur partie sμpérieure par une zone de liaison annulaire 8. La jupe intérieure 4 est prolongée vers la haut au-delà de la zone de liaison 8 sous la forme d'un bec verseur 9. Un opercule 10 relié par un voile mince 11 à la jupe intérieure 4 obture cette dernière, l 'opercule 10 pouvant être arraché à l'aide d'un anneau de traction 12 lors de la première utilisation.  As shown in FIG. 2, the pouring body 1 essentially comprises an internal skirt 4 intended to cooperate in leaktight manner with the internal face of the neck 5 of a bottle 6, and an external skirt 7 intended to cooperate with the external face neck 5, the two skirts 4 and 7 being interconnected at their upper part by an annular connection zone 8. The internal skirt 4 is extended upwards beyond the connection zone 8 in the form of a spout 9. A cover 10 connected by a thin veil 11 to the inner skirt 4 closes the latter, the cover 10 can be torn off using a pulling ring 12 during the first use.
La jupe extérieure 7 qui comporte un bourrelet intérieur 13 pour la fixation du corps verseur 1 par encliquetage sur le goulot 5 muni d'une gorge extérieure 14 est prolongée, à son extrémité inférieure, par un rebord extérieur 15 s' étendant vers la haut sous la forme d'une ceinture divergente jusqu ' au plan de contabt 16 entre le corps verseur 1 et la capsule 2, excepté dans la zone de la charnière à ressort 3. Dans cette zone, le rebord 15 se termine, en dessous de la charnière 3, par un bord 17 a profil en forme de tenon à contredépouille, par exemple en queue d'aronde.  The outer skirt 7 which has an inner bead 13 for fixing the pouring body 1 by snap-fastening on the neck 5 provided with an outer groove 14 is extended, at its lower end, by an outer rim 15 extending upwards under the shape of a divergent belt up to the contabt plane 16 between the pouring body 1 and the capsule 2, except in the area of the spring hinge 3. In this area, the flange 15 ends, below the hinge 3, by an edge 17 has a profile in the shape of a tenon with undercut, for example in dovetail.
L'ensemble du corps verseur tel que décrit ci-dessus est réalisé d'une seule pièce par moulage par injection d'une matière plastique souple, par exemple de polyethylene.  The entire pouring body as described above is made in one piece by injection molding of a flexible plastic material, for example polyethylene.
La capsule de bouchage 2 comprend une jupe intérieure 21 et une jupe extérieure 22 faisant saillie vers le bas sur un fond de capsule 23, la jupe intérieure 21 étant destinée à pénétrer dans le bec verseur 9 et la jupe extérieure 22 à venir dans le prolongement du rebord 15 du corps verseur 1. La capsule 2 est moulé par injection en une matière plastique dure telle que le polypropylène, d'une pièce avec la charnière 3 à ressort et, entre cette dernière et le bord 17 du corps verseur 1, avec une partie de liaison 24 ayant un profil femelle en forme de mortaise à contre-dépouille, par exemple en queue d 'aronde. La fabrication de la capsule 2 s ' ef fectue par surmoulage du corps verseur 1, c'est-à-dire que le corps verseur 1 est d'abord fabriqué par injection dans un premier moule, est ensuite retiré de ce premier moule et placé en tant qu' insert dans un second moule dans lequel la capsule 2, avec la charnière 3 et la partie de liaison 24, est réalisée par surmoulage du corps verseur 1 par la capsule 2 dans la position ouverte selon la figure 1. Le surmoulage est localisé à la zone de la charnière 3, c'est-à-dire limité au surmoulage du bord 17 du corps verseur 1 par la partie de liaison 24 située en dessous de la charnière 3. The closure cap 2 comprises an inner skirt 21 and an outer skirt 22 projecting downwards on a capsule bottom 23, the inner skirt 21 being intended to penetrate into the pouring spout 9 and the outer skirt 22 coming in the extension of the rim 15 of the pouring body 1. The capsule 2 is injection molded in a hard plastic material such as polypropylene, in one piece with the spring hinge 3 and, between the latter and the edge 17 of the pouring body 1, with a connecting part 24 having a female profile in the form of an undercut mortise, for example in a dovetail. The capsule 2 is made by overmolding the pouring body 1, that is to say the pouring body 1 is first manufactured by injection in a first mold, is then removed from this first mold and placed as an insert in a second mold in which the capsule 2, with the hinge 3 and the connecting part 24, is produced by overmolding of the pouring body 1 by the capsule 2 in the open position according to FIG. 1. The overmolding is located at the zone of the hinge 3, that is to say that is to say limited to the molding of the edge 17 of the pouring body 1 by the connecting part 24 located below the hinge 3.
Selon les figures 3 et 4, un ensemble verseur et capsule de bouchage comprend un corps verseur 31, une ceinture 32, une capsule de bouchage 33 et une charnière à ressort 34.  According to FIGS. 3 and 4, a pouring and capping capsule assembly comprises a pouring body 31, a belt 32, a capping capsule 33 and a spring hinge 34.
Le corps verseur 31 présente une jupe intérieure 35 destinée à coopérer avec la face intérieure d'un goulot de flacon non représenté, une jupe extérieure 36 destinée à coopérer avec la face extérieure du goulot et présentant un bourrelet intérieur 37 destiné à coopérer par encliquetage avec une gorge extérieure du goulot, un opercule 38 avec anneau d'arrachage 39, et une bec verseur 40 faisant saillie vers le haut sur la partie de liaison 41 des deux jupes 35 et 36. Il est à noter que la partie de liaison 41 comporte un bourrelet extérieur 42 faisant saillie radialeiαent sur tout le pourtour.  The pouring body 31 has an internal skirt 35 intended to cooperate with the internal face of a bottle neck not shown, an external skirt 36 intended to cooperate with the external face of the neck and having an internal bead 37 intended to cooperate by snap-fastening an outer groove of the neck, a cover 38 with tearing ring 39, and a pouring spout 40 projecting upwards on the connecting part 41 of the two skirts 35 and 36. It should be noted that the connecting part 41 comprises an outer bead 42 projecting radially over the entire periphery.
La capsule de bouchage 33 de forme hémisphérique, munie d'une jupe intérieure 43 destinée à coopérer avec le bec verseur 40, est reliée par la charnière à ressort 34 à une ceinture 32 qui assure sa liaison avec le corps verseur 31. La ceinture 32 comprend une partie extérieure 44 en forme de couronne sphérique, prolongeant la capsule hémisphérique 33 en dessous du plan de contact 45 entre la ceinture 32 et la capsule 33, et une partie intérieure tronconique 46 s'étendant depuis l'extrémité inférieure de la partie 44 vers le haut et vers l'intérieur pour se terminer par une partie annulaire 47 qui entoure de l'extérieur, sur tout le pourtour, le bourrelet 42 du corps verseur 31 et présente un profil femelle complémentaire du profil du bourrelet 42.  The closure cap 33 of hemispherical shape, provided with an inner skirt 43 intended to cooperate with the pouring spout 40, is connected by the spring hinge 34 to a belt 32 which ensures its connection with the pouring body 31. The belt 32 comprises an outer part 44 in the form of a spherical crown, extending the hemispherical capsule 33 below the contact plane 45 between the belt 32 and the capsule 33, and an internal frustoconical part 46 extending from the lower end of the part 44 upwards and inwards, ending in an annular part 47 which surrounds from the outside, around the entire periphery, the bead 42 of the pouring body 31 and has a female profile complementary to the profile of the bead 42.
Pour la fabrication de l'ensemble suivant les figures 3 et 4, on moule d'abord par injection, dans un premier moule, le corps verseur 31 à partir d'une matière plastique souple telle que le polyethylene. On transfère ensuite le corps verseur 1 dans un second moule dans lequel on surmoule le corp s verseur 31 à l 'aide de la ceinture 32 et de la capsule 33 , cette dernière dans la position ouverte suivant la figure 3 , par inj ection d' une matière plastique dure telle que le polypropylène. For the manufacture of the assembly according to FIGS. 3 and 4, the pouring body is first molded by injection, in a first mold. 31 from a flexible plastic material such as polyethylene. The pouring body 1 is then transferred into a second mold in which the pouring body 31 is molded using the belt 32 and the capsule 33, the latter in the open position according to FIG. 3, by injection. a hard plastic such as polypropylene.
Dans le mode de réalisation suivant la f igure 5 , un ensemble verseur et cap sule de bouchage comprend un corps verseur 51 , une capsule de bouchage 52 et une charnière à ressort 53.  In the embodiment according to FIG. 5, a pouring assembly and closure cap cap comprises a pouring body 51, a closure capsule 52 and a spring hinge 53.
Le corps verseur 51 est formé d'un col 54 prolongé vers le haut par un bec verseur 55 et vers le bas par un collet 56 divergent se terminant par un rebord 57 pour la liaison du corps verseur 51 avec un tube souple 58.  The pouring body 51 is formed by a neck 54 extended upwards by a pouring spout 55 and downwards by a diverging collar 56 ending in a flange 57 for the connection of the pouring body 51 with a flexible tube 58.
La capsule 52 qui présente une forme semble à celle de la capsule suivant les f igures 1 et 2 comprend une j upe intérieure 59 coopérant avec le bec verseur 55 , et une j upe extérieure 60. En dessous de la charnière 53 , la jupe extérieure 60 de la capsule 52 est prolongée vers le bas par une partie de liaison 61 ayant un profil mâle a contre-dépouille, par exemple en forme de tenon en queue d' aronde , le corps verseur 51 présentant un bord 62 de profil complémentaire, par exemple en forme de mortaise à contre-dépouille en forme de queue d ' aronde.  The capsule 52 which has a shape appears to be that of the capsule according to FIGS. 1 and 2 comprises an inner j ue 59 cooperating with the spout 55, and an outer j ue 60. Below the hinge 53, the outer skirt 60 of the capsule 52 is extended downwards by a connecting portion 61 having a male profile with an undercut, for example in the shape of a dovetail tenon, the pouring body 51 having an edge 62 of complementary profile, by example in the form of a mortise with an undercut in the shape of a dovetail.
Dans ce mode de réalisation également, le corp s verseur 51 dans son ensemble est d ' abord réalisé par injection d'une matière plastique souple dans un premier moule, puis est transféré dans un second moule d' injection dans lequel le corps verseur 51 est surmoulé par la capsule , par inj ection d' une matière plastique dure.r  Also in this embodiment, the pouring body 51 as a whole is first produced by injecting a flexible plastic material into a first mold, then is transferred to a second injection mold in which the pouring body 51 is overmolded by the capsule, by injection of a hard plastic material.
L ' ensemble verseur et capsule de bouchage ainsi réalisé peut ensuite être directement soudé par le collet 57 sur un tube souple 58 en matière plastique souple, grâce à la compatilibitë des matières du corps verseur 51 et du tube 58.  The pouring assembly and closure cap thus produced can then be directly welded by the collar 57 onto a flexible tube 58 made of flexible plastic, thanks to the compatibility of the materials of the pouring body 51 and of the tube 58.
Il y a lieu de noter que les modes de réalisation décrits cidessus et illustrés par les dessins annexés n'ont été donnés qu 'à titre d' exemples non limitatifs et que de nombreuses modifications et variantes sont possibles dans le cadre de l ' invention. Ainsi, la charnière à ressort entre la capsule et le corps verseur peut être réalisée suivant tous les modes de réalisation connus de telles charnières à ressort. It should be noted that the embodiments described above and illustrated by the appended drawings have been given only by way of nonlimiting examples and that numerous modifications and variants are possible within the scope of the invention. Thus, the spring hinge between the capsule and the pouring body can be produced according to all known embodiments of such spring hinges.
Des moyens d'inviolabilité autres que l'opercule (10, 38) peuvent être prévus, par exemple des moyens arrachables recouvrant le creux prévu, à l'opposé de la charnière à ressort, dans la jupe extérieure de la capsule pour faciliter l'ouverture de la capsule. Il s'agit là de moyens connus en soi qui n'ont pas été illustrés pour ne pas compliquer les dessins.  Tamper-evident means other than the cover (10, 38) may be provided, for example tear-off means covering the recess provided, opposite the spring hinge, in the outer skirt of the capsule to facilitate opening of the capsule. These are means known per se which have not been illustrated so as not to complicate the drawings.
Au lieu de la fixation par encliquetage selon les figures 1 à 4 du corps verseur sur le goulot de flacon, il serait possible de prévoir une fixation par vissage.  Instead of the snap fastening according to FIGS. 1 to 4 of the pouring body on the bottle neck, it would be possible to provide a fastening by screwing.
Par ailleurs, les moyens d'étanchéité entre le corps verseur et le goulot de flacon pourraient être constitués par une ou plusieurs lèvres ou d'autres moyens connus, faisant partie intégrante du corps verseur, en plus ou au lieu de la jupe intérieure (4, 35) coopérant avec la face intérieure du goulot.  Furthermore, the sealing means between the pouring body and the bottle neck could consist of one or more lips or other known means, forming an integral part of the pouring body, in addition to or instead of the inner skirt (4 , 35) cooperating with the inside face of the neck.
Un autre intérêt de la structure conforme à l'invention d'un ensemble verseur et capsule de bouchage consiste dans la possibilité de réalisation d'un ensemble bicolore, les deux matières différentes entrant dans la fabrication de l'ensemble conforme à l'invention pouvant être de couleurs différentes.  Another advantage of the structure according to the invention of a pouring assembly and closure cap consists in the possibility of producing a two-color assembly, the two different materials used in the manufacture of the assembly according to the invention being able to be of different colors.

Claims

REVENDICATIONS
1. Ensemble verseur et capsule de bouchage comprenant un corps verseur (1, 31, 51) destiné à être fixé à un récipient (6,58) et une capsule de bouchage (2,33,52) destinée à obturer le corps verseur et reliée au corps verseur par une charnière à ressort (3,34,53), caractérisé par le fait que le corps verseur (1,31,51), la capsule de bouchage (2,33,52) et la charnière à ressort (3,34,52) sont constitués d'une seule pièce, le corps verseur étant réalisé en matière plastique souple par moulage, et la capsule étant réalisée d'une seule pièce avec la charnière en matière plastique dure, par surmoulage du corps verseur. 1. Pouring assembly and closure cap comprising a pouring body (1, 31, 51) intended to be fixed to a container (6,58) and a closure capsule (2,33,52) intended to seal the pouring body and connected to the pouring body by a spring hinge (3,34,53), characterized in that the pouring body (1,31,51), the closure cap (2,33,52) and the spring hinge ( 3,34,52) are made in one piece, the pouring body being made of flexible plastic by molding, and the capsule being made in one piece with the hinge of hard plastic, by overmolding of the pouring body.
2. Ensemble suivant la revendication 1, caractérisé par le fait que le surmoulage est localisé dans la zone de la charnière.  2. Assembly according to claim 1, characterized in that the overmolding is located in the region of the hinge.
3. Ensemble suivant la revendication 2, caractérisé par le fait que le corps verseur (1,51) et la capsule (2,52) présentent, dans la zone de surmoulage, des parties (17,24; 61,62) de profils complémentaires à contre-dépouille.  3. An assembly according to claim 2, characterized in that the pouring body (1.51) and the capsule (2.52) have, in the overmolding zone, parts (17,24; 61,62) of profiles complementary to undercut.
4. Ensemble suivant la revendication 1, caractérisé par le fait que le corps verseur est surmoulé sur tout le pourtour.  4. The assembly of claim 1, characterized in that the pouring body is molded over the entire periphery.
5. Ensemble suivant la revendication 4, caractérisé par le fait que le corps verseur est surmoulé par une ceinture circonférentielle (32) moulée d'une seule pièce avec la capsule (33) et la charnière (34) disposée entre la ceinture et la capsule.  5. Assembly according to claim 4, characterized in that the pouring body is overmolded by a circumferential belt (32) molded in one piece with the capsule (33) and the hinge (34) disposed between the belt and the capsule .
6. Ensemble suivant l'une quelconque des revendications 1 à 5, caractérisé par le fait que le corps verseur (51) est réalisé d'une seule pièce avec un collet (56,57) permettant sa fixation directe par soudage à un tube souple (58).  6. An assembly according to any one of claims 1 to 5, characterized in that the pouring body (51) is made in one piece with a collar (56,57) allowing its direct fixing by welding to a flexible tube (58).
PCT/FR1990/000346 1989-05-17 1990-05-17 Spout assembly and sealing cap with spring-loaded hinge WO1990014287A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US07/777,240 US5301849A (en) 1989-05-17 1990-05-17 Spout assembly and sealing cap with spring-loaded hinge
JP1991600015U JPH05500002U (en) 1989-05-17 1990-05-17
EP90908957A EP0472655B1 (en) 1989-05-17 1990-05-17 Spout assembly and sealing cap with spring-loaded hinge
DE69010003T DE69010003T2 (en) 1989-05-17 1990-05-17 POURING AND LOCKING UNIT WITH SNAP HINGE.
NO914499A NO179939C (en) 1989-05-17 1991-11-18 Pouring and closing capsule device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR89/06433 1989-05-17
FR8906433A FR2647088B1 (en) 1989-05-17 1989-05-17 POURING ASSEMBLY AND CAPPING CAP WITH SPRING HINGE

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WO1990014287A1 true WO1990014287A1 (en) 1990-11-29

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EP (1) EP0472655B1 (en)
JP (1) JPH05500002U (en)
AT (1) ATE107254T1 (en)
AU (1) AU631432B2 (en)
CA (1) CA2057906A1 (en)
DE (1) DE69010003T2 (en)
DK (1) DK0472655T3 (en)
ES (1) ES2055434T3 (en)
FR (1) FR2647088B1 (en)
GR (1) GR1003022B (en)
NO (1) NO179939C (en)
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Also Published As

Publication number Publication date
PT94061A (en) 1991-01-08
ZA903791B (en) 1991-03-27
NO179939B (en) 1996-10-07
JPH05500002U (en) 1993-02-04
FR2647088A1 (en) 1990-11-23
DE69010003T2 (en) 1994-09-22
NO179939C (en) 1997-01-15
NO914499L (en) 1991-11-18
DE69010003D1 (en) 1994-07-21
AU631432B2 (en) 1992-11-26
EP0472655B1 (en) 1994-06-15
GR1003022B (en) 1998-12-03
PT94061B (en) 1997-04-30
US5301849A (en) 1994-04-12
AU5747090A (en) 1990-12-18
CA2057906A1 (en) 1990-11-18
NO914499D0 (en) 1991-11-18
GR900100376A (en) 1991-10-10
EP0472655A1 (en) 1992-03-04
ES2055434T3 (en) 1994-08-16
DK0472655T3 (en) 1994-11-07
ATE107254T1 (en) 1994-07-15
FR2647088B1 (en) 1991-11-22

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